Man's survival, from the time of Adam and Eve until the invention of agriculture, must have been precarious because of his inability to ensure his food supply.

Batteries are not just devices; they are enablers of a cleaner future.

"Every saint has a past, and every sinner has a future."

"The novel is not just a story; it is a mirror that reflects the complexities of human existence."

我必须研究政治和战争，以便我的儿子们可以自由地研究数学和哲学。

政治是每个公民的义务，逃避政治本身就是一种政治立场。